| نویسندگان | علی قربانپور-رضا کلاه چی-حسین وثوق |
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| نشریه | PHYSICA B |
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| تاریخ انتشار | 2012-10-01 |
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| نوع نشریه | الکترونیکی |
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| نمایه نشریه | ISI ,SCOPUS |
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چکیده مقاله
This studypresentsananalyticalapproachforbucklinganalysisandsmartcontrolofasinglelayer
graphenesheet(SLGS)usingacoupledpolyvinylidenefluoride(PVDF)nanoplate.TheSLGSandPVDF
nanoplateareconsideredtobecoupledbyanenclosingelasticmediumwhichissimulatedbythe
Pasternakfoundation.ThePVDFnanoplateissubjectedtoanappliedvoltageinthethicknessdirection
which operatesincontrolofcriticalloadoftheSLGS.InordertosatisfytheMaxwellequation,electric
potentialdistributionisassumedasacombinationofahalf-cosineandlinearvariation.Theexact
analysisisperformedforthecasewhenallfourendsaresimplysupportedandfreeelectricalboundary
condition.AdoptingthenonlocalMindlinplatetheory,thegoverningequationsarederivedbasedon
the energymethodandHamilton’sprinciple.Adetailedparametricstudyisconductedtoelucidatethe
influencesofthesmallscalecoefficient,stiffnessoftheinternalelasticmedium,graphenelength,mode
numberandexternalelectricvoltageonthebucklingsmartcontroloftheSLGS.Theresultsdepictthat
the imposedexternalvoltageisaneffectivecontrollingparameterforbucklingoftheSLGS.Thisstudy
might beusefulforthedesignandsmartcontrolofnano-devices.
